Home / 25,910.02-38,859.22-10,115.43

Finding the Fourth Proportional to 25,910.02, 38,859.22 and 10,115.43

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Solution

The fourth proportional to 25,910.02, 38,859.22 and 10,115.43 is: 15,170.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,910.02 : 38,859.22 = 10,115.43 : x
  2. Step 2: Convert to fraction form
    25,910.02/38,859.22 = 10,115.43/x
  3. Step 3: Cross multiply
    25,910.02x = 38,859.22 × 10,115.43
  4. Step 4: Simplify right side
    25,910.02x = 393,077,719.76
  5. Step 5: Solve for x
    x = 393,077,719.76/25,910.02
  6. Step 6: Final answer
    x = 15,170.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.